P-5

Ancillary Services Prices, Day Ahead Market

04/21/2007

Time StampEastWest
10 Min Spinning Reserve ($/MWHr)10 Min Non-Synchronous Reserve ($/MWHr)30 Min Operating Reserve ($/MWHr)Regulation ($/MWHr)10 Min Spinning Reserve ($/MWHr)10 Min Non-Synchronous Reserve ($/MWHr)30 Min Operating Reserve ($/MWHr)Regulation ($/MWHr)
00:000.250.250.25450.250.250.2545
01:000.250.250.25450.250.250.2545
02:000.250.250.25450.250.250.2545
03:000.250.250.25450.250.250.2545
04:000.250.250.25450.250.250.2545
05:000.250.250.25450.250.250.2545
06:003.493.490.3650.30.30.365
07:0073.890.58073.890.580
08:0010.393.892808.52280
09:0011.094.590.55570.50.555
10:0012.084.80.55570.50.555
11:0014.294.80.55570.50.555
12:0012.14.80.55570.50.555
13:0010.393.890.55570.50.555
14:0010.213.710.55570.50.555
15:0010.173.670.55570.50.555
16:009.993.49256.58.52256.5
17:0010.383.881.5556.058.051.551.5556.05
18:009.993.491.0655.567.561.061.0655.56
19:0010.133.63256.58.52256.5
20:0014.143.890.55570.50.555
21:0013.334.8256.58.52256.5
22:0011.34.80.55570.50.555
23:003.893.890.3550.30.30.355